package week5;
import java.util.*;
/**
 * Created by dell on 2017/3/23.
 */
public class TryCatchAverage3 {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);
        double sum = 0;
        int count = 0;
        while(true) {
            try {
                int number = console.nextInt();
                if(number == 0) {
                    break;
                }
                sum += number;
                count ++;
            }catch (InputMismatchException ex) {
                System.out.printf("略过非整数输入：%s%n", console.next());
            }
        }
        System.out.printf("平均 %.2f%n", sum / count);
    }
}
